Resource exhaustion in Xen

CVE-2017-15595

An issue was discovered in Xen through 4.9.x allowing x86 PV guest OS users to cause a denial of service (unbounded recursion, stack consumption, and hypervisor crash) or possibly gain privileges via crafted page-table stacking.

Vulnerability class: DoS (Denial of Service)

EPSS: 0.015 (72.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

  • Xen
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-15595?
CVE-2017-15595 is a high-severity vulnerability in Xen, classified under Uncontrolled Resource Consumption. CVSS score: 8.8/10. Published 2017-10-18.
How severe is CVE-2017-15595?
High severity. CVSS v3 base score is 8.8 out of 10.